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1

The depression mechanism on pyrite in a low-alkaline system with combined depressants : Experiment, HSC, DFT and ToF-SIMS studies

Li Suqi, Yuan Jiaqiao, Ding Zhan, Li Jie, Yu Anmei, Wen Shuming, Bai Shaojun

Physicochemical Problems of Mineral Processing

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2023

|

Vol. 59, iss. 3

art. no. 168454

EN

Depression of pyrite in a low-alkaline system has sparked soaring interests for the multi-metal sulfide minerals flotation recently. This study investigates effects of combined depressants (Ca(ClO)2 and CaO) on pyrite flotation with butyl xanthate (KBX). Micro-flotation experiments indicate that the addition of 200 mg/L combined depressants (a mass ratios of CaO to Ca(ClO) 2 of 2:3) and 1.0×10−3 mol/L KBX at pH 9.5 can effectively depresses the flotation of pyrite, and a minimum pyrite recovery rate of 12.5% is obtained. Basic thermodynamic evaluation results confirm the participation of Ca(ClO) 2 significantly decrease the negative Gibbs free energies of pyrite oxidation reaction. Besides, the calcium species (Ca(OH) 2, Ca2+ and Ca(Cl) 2) will spontaneously transform into CaCO3,and it is the ultimate dominant calcium species in the CO32- system. Density functional theory (DFT) results indicate that CaCO3 can chemically adsorb onto the pyrite surface with an adsorption energy of -671.13 kJ/mol. The O1 and Ca atoms mainly contribute to the bonding process and are responsible for the stable adsorption of CaCO3. ToF-SIMS results provide strong evidence that the combined depressants increase the amount of hydrophilic species and decrease dixanthogen adsorption onto the pyrite surface. The thickness of the whole formed hydrophilic species is approximately 50 nm. Semiquantitative amounts of hydrophilic species follow the order of hydroxy calcium>iron carbonyl>calcium carbonate. Overall, hydrophilic species repulse adsorption of dixanthogen and significantly reduce the flotation performance of pyrite.

2

Quinic acid as a novel depressant for efficient flotation separation of scheelite from calcite

Huang Zheyu, Kuang Jingzhong, Yu Mingming, Ding Dan

Physicochemical Problems of Mineral Processing

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2023

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Vol. 59, iss. 2

art. no. 166008

EN

There are difficulties to the conventional depressant for achieving separation of scheelite from calcite for the sake of their similar surface properties. The paper reported that a new depressant quinic acid (QA) was used for separating scheelite from calcite. The adsorption experiments, zeta potential experiment, contact angle, FTIR, XPS analysis and crystal chemistry analysis were utilized to known the depression mechanism of selectivity. The results showed that the recovery of calcite decreased drastically after QA added, whereas hardly influenced on scheelite. The tungsten concentrate could reach 66.24% WO3 grade and 89.46% recovery with 1.5×10-4 mol•L-1 QA at pH=9. The surface adsorption quantity of the QA on calcite was much greater than scheelite, which enhanced significantly the hydrophilicity of calcite surface. Due to its negative charge, QA could be adsorbed on the surface of calcite which had positive charge instead of that of scheelite with negative charge. Subsequently, free carboxyl groups of QA could chelated with Ca2+ species on the calcite surface to form stable chemical adsorption in order to prevent the Pb-BHA to form further adsorption on that, so there was no increase significantly on hydrophobicity. However, QA was obviously weak for adsorbing while Pb-BHA which could still be chemically adsorbed on scheelite surface of pre-treated with QA.

3

Prediction of drug response in major depressive disorder using ensemble of transfer learning with convolutional neural network based on EEG

Sadat Shahabi Mohsen, Shalbaf Ahmad, Maghsoudi Arash

Biocybernetics and Biomedical Engineering

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2021

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Vol. 41, no. 3

946--959

EN

Major Depressive Disorder (MDD) is one of the leading causes of disability worldwide. Prediction of response to Selective Serotonin Reuptake Inhibitors (SSRIs) antidepressants in patients with MDD is necessary for preventing side effects of mistreatment. In this study, a deep Transfer Learning (TL) strategy based on powerful pre-trained convolutional neural networks (CNNs) in the big data datasets is developed for classification of Responders and Non-Responders (R/NR) to SSRI antidepressants, using 19-channel Electroencephalography (EEG) signal acquired from 30 MDD patients in the resting state. Multiple time-frequency images are obtained from each EEG channel using Continuous Wavelet Transform (CWT) for feeding into pre-trained CNN models that are VGG16, Xception, DenseNet121, MobileNetV2 and InceptionResNetV2. Our plan is to adapt and fine-tune the weights of networks to the target task with the small-sized dataset. Finally, to improve the recognition performance, an ensemble method based on majority voting of outputs of five mentioned deep TL architectures has been developed. Results indicate that the best performance among basic models achieved by DenseNet121 with accuracy, sensitivity and specificity of 95.74%, 95.56% and 95.64%, respectively. An Ensemble of these basic models created to surpass the accuracy obtained by each individual basic model. Our experiments show that ensemble model can gain accuracy, sensitivity and specificity of 96.55%, 96.01% and 96.95%, respectively. Therefore, proposed ensemble of TL strategy of pre-trained CNN models based on WT images obtained from EEG signal can be used for antidepressants treatment outcome prediction with a high accuracy.

4

Socio-psychological peculiarities of victimization of personality of a woman in childhood

Svidenskaya Halyna, Deinychenko Larysa, Wierzbik-Strońska Magdalena

Zeszyty Naukowe Wyższej Szkoły Technicznej w Katowicach

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2020

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nr 12

133--139

EN

The article analyzes the mechanisms of victimization of women-victims of domestic violence. The determination of the factors of learned helplessness in childhood and the factors derived from the adult experience of beating is theoretically substantiated. The examples of negative emotional experience known by women during an act of domestic violence are given.

PL

Artykuł analizuje mechanizmy wiktymizacji kobiet-ofiar przemocy domowej. Określenie czynników wyuczonej bezradności w dzieciństwie oraz czynników wywodzących się z doświadczenia bicia dorosłych jest uzasadnione teoretycznie. Podano przykłady negatywnych przeżyć emocjonalnych znanych kobietom podczas aktu przemocy w rodzinie.

5

Effects of copper ions on malachite sulfidization flotation

Yin Wanzhong, Sheng Qiuyue, Ma Yingqiang, Sun Haoran, Yang Bin, Tang Yuan

Physicochemical Problems of Mineral Processing

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2020

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Vol. 56, iss. 2

300--312

EN

In this study, the effects of copper ions (Cu2+) on the sulfidization (Na2S) flotation of malachite was investigated using micro-flotation experiments, zeta-potential measurements, X-ray photoelectron spectroscopy (XPS) analysis, adsorption experiments, and Materials Studio simulation. The results indicated that the flotation recovery of malachite decreased after the pretreatment of the mineral particles with Cu2+ ions prior to the addition of Na2S. The results for zeta-potential measurements and XPS analysis revealed that less sulfide ion species in the pulp solution transferred onto the mineral surface, the sulfidization of malachite surface weakened. The adsorption amount of collector on the mineral surface decreased, and this finding was confirmed by the results of the zeta-potential and adsorption experiments. Materials Studio simulation revealed that the adsorption energy of HS- ions and C4H9OCSS- ions on malachite surface increased after the adding of Cu2+ ion. The competitive adsorption made Cu2+ ions depress sulfidization flotation of malachite, the dissolution of mineral surface affected the adsorption of reagents on it, and decreased the floatability of malachite.

6

Przezczaszkowa stymulacja magnetyczna (TMS)

Krawczyk Andrzej

Przegląd Techniczny : Gazeta Inżynierska

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2019

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nr 8

13--15

PL

Opisano krótką historię i współczesne zastosowanie przezczaszkowej stymulacji magnetycznej mózgu. Wskazane zostały zalety i wady tej metody diagnostycznej i terapeutycznej. Badania wykazały małą przydatność metody w terapii, podczas gdy nie do przecenienia jest przydatność TMS w diagnostyce.

EN

The short history and contemporary applications of the Transcranial Magnetic Stimulation (TMS) has been presented. The advantages and drawbacks of the method in its therapeutic and diagnostic aspects have been pointed out. The investigations proved the small usefulness of the method in therapy, while its usefulness in diagnostics is not to be overestimated.

7

Ammonium chloride’s weakening effect on the copper activation of pyrite in flotation and the surface regulation mechanism behind it

Zhang Shengdong, Chen Yumeng, Tong Xiong, Xie Xian, Lu Yalin

Physicochemical Problems of Mineral Processing

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2019

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Vol. 55, iss. 5

1070--1081

EN

The traditional separation process of pyrite and marmatite is carried out under highly alkaline conditions. Therefore, a large amount of lime is demanded and the zinc recovery cannot be guaranteed. However, under weakly alkaline conditions, copper-activated pyrite has good floatability, which is difficult to separate from marmatite. In this paper, ammonium chloride (NH4Cl) is used for depressing the flotation of copper-activated pyrite to achieve the separation of these two minerals under weakly alkaline environment. The flotation tests show that NH4Cl can significantly reduce the floatability of pyrite in weakly alkaline conditions. The results of adsorption tests and X-ray photoelectron spectroscopy (XPS) analyses indicate that NH4Cl can obviously change the composition of pyrite surface by increasing the content of iron/copper hydroxide and reducing the content of copper sulfides. Calculation of the solution composition demonstrates that the addition of NH4Cl results in the occurrence of Cu(NH3)n2+ and the pH buffering property. Based on these results, it can be concluded that the depression of NH4Cl on copper activated pyrite is mainly derived from two aspects: 1) the pH buffering property of the conjugated acid-base pair (NH4+/NH3) can impede the decline of OH- concentration, which results in more hydroxide adsorbed on pyrite; 2) NH3 (aq) competes with the pyrite surface to consume Cu2+through complexation, which causes a reduction in the amount of copper sulfides formed on the pyrite surface.

8

Performance appraisal politics and employees’ performance in distinctive economies

Imran M., Haque A. U., Rębilas R.

Polish Journal of Management Studies

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2018

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Vol. 18, No. 2

135--150

EN

The study is to investigate the relationship between performance appraisal politics and employee performance in Fire Fighter Services of Canada, Malaysia and Pakistan by considering updated literature review related to research problem. The semi-structured questionnaires were used to collect data from total 445 valid respondents (115 from each country) out of 750 sample size through purposive sampling technique. In this cross-sectional research we employed Partial Least Squares Structural Equation Modeling (PLS-SEM) for the data analysis. The results confirmed that performance appraisal politics has negatively influenced the employees’ performances in all three distinctive economies. Through funnel approach, it was evident that higher politics is evident in Pakistan, which is the least developed country among three. However, the visible traces of performance appraisal politics are evident in Canada too. Moreover, the higher anxiety and depression leads to reduce working efficiency of operational level employees. The current study is the pioneer in examining the relationship between performance appraisal politics and employee performance in the context of contrasting economies; developed and emerging economies. The study framework is significant in empirically testing other public and private sectors to examine the variables of interest. The managerial implications are based on the present findings to improve the quality of performances.

PL

Badanie ma na celu analizę związku między polityką oceny wyników a wynikami pracowników w służbach straży pożarnej w Kanadzie, Malezji i Pakistanie, biorąc pod uwagę zaktualizowany przegląd literatury dotyczący problemu badawczego. Kwestionariusze, częściowo ustrukturyzowane, zostały wykorzystane do zebrania danych z łącznej liczby 445 ważnych respondentów (115 z każdego kraju) z 750 wielkości próby poprzez celową technikę pobierania próbek. W tym przekrojowym badaniu do analizy danych wykorzystano modelowanie równania metodą najmniejszych kwadratów (PLS-SEM). Wyniki potwierdziły, że polityka oceny wyników negatywnie wpłynęła na wyniki pracowników we wszystkich trzech wyróżniających się krajach. Poprzez podejście lejkowe okazało się, że wyższa polityka jest widoczna w Pakistanie, który jest najsłabiej rozwiniętym krajem pośród trzech. Jednak widoczne ślady polityki oceny wyników są również widoczne w Kanadzie. Ponadto wyższy lęk i depresja prowadzi do zmniejszenia wydajności pracy pracowników na poziomie operacyjnym. Obecne badanie jest pionierem w badaniu związku między polityką oceny wyników a wynikami pracowników w kontekście kontrastujących gospodarek; rozwinięte i wschodzące gospodarki. Ramy badania są istotne w empirycznym testowaniu innych sektorów publicznych i prywatnych w celu zbadania zmiennych będących przedmiotem zainteresowania. Implikacje zarządcze opierają się na obecnych ustaleniach w celu poprawy jakości występów.

9

Influence of fenugreek-gum and particle size on performance of talc flotation

Gu G., Mo C., Zhao K., Chen Z., Wang X.

Physicochemical Problems of Mineral Processing

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2018

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Vol. 54, iss. 3

1026--1033

EN

Talc usually exists as a gangue mineral in copper-nickel sulfide, molybdenite etc. In order to separate precious metals, naturally hydrophobic talc should be depressed effectively in flotation process. The effect of fenugreek-gum (FG) on the flotation performance of talc with different particle sizes was studied. The depression mechanism was investigated extensively through tests of flotation, adsorption and zeta potential, as well as infrared spectroscopy and laser particle size analysis. Flotation results indicated that the FG had a strong depression ability for talc with the particle size of -0.074 + 0.037 mm, -0.037 mm and -0.010 mm when proper dosage of FG was added. The coarse talc was completely depressed by 2.5 mg/ dm3 FG. When the particle size decreased, more FG was required to obtain the maximum depressing effect, which was verified by adsorption tests. FG reduced the electronegativity on the talc surface by chemical adsorption, and flocculation of talc powders caused a high efficient depressing effect.

10

Poor sleep, anxiety, depression and other occupational health risks in seafaring population

Andruskiene J., Barseviciene S., Varoneckas G.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

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2016

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Vol. 10, no. 1

19--26

EN

Background: seafaring is an occupation with specific work-related risks, causing increased morbidity and mortality. Nevertheless, the research in the area of marine students ‘sleep quality and mental health is lacking in Lithuania, as well as other European countries. The aim was to overview scientific findings, related with occupational health risks in a seafaring population and asses the frequency of poor sleep and the relations among poor sleep, anxiety and depression in the sample of maritime students. Methods and contingent. The scientific literature review, based on PubMed sources analysis, related to occupational health risks in seafaring population, was performed. Questionnaire survey was conducted in 2014 at The Lithuanian Maritime Academy, 393 (78.9 % of them males) students participated. Sleep quality was evaluated by Pittsburg Sleep Quality Index. Anxiety and depression were assessed by Hospital Anxiety and Depression scale. Sociodemographic questions were used. The Chi-square test r Fisher exact test was used to estimate association between categorical variables. P- Values less than 0.05 were interpreted as statistically significant. Results. Scientific literature review indicate that highly stressful and exhausting working conditions on ships can lead to depression, insomnia, various types of cancer, cardiovascular, communicable, blood-born and sexually transmitted diseases. Poor sleep was found in 45.0 % of the students. Mild depression was established in 6.9 %, moderate in 2.3 %, Severe in 0.8 % of the students. Mild anxiety was found in 19.1 %, moderate in 14.8 % and Severe in 7.9 % of the students. Depression (score ?8) was significantly more frequent among third (fourth) year students (22.2 %) with poor sleep, as compared to the students demonstrating good sleep (2.7 %). Marine engineering programme students whose sleep was poor more often had depression (22.0 %), as compared to the students whose sleep was good (5.7 %). Conclusions. Seafarers have higher hospitalization and mortality rates than age-matched peers, due to exposure to unique occupational health risk factors. Maritime students had poor sleep more than anxiety or depression. Anxiety and depression were more common among the students demonstrating poor sleep rather than good sleep.

11

Poziom objawów depresyjnych i lękowych u pacjentów z zespołem stopy cukrzycowej leczonych tlenem hiperbarycznym - wyniki wstępne

Koźmin-Burzyńska A., Bratek A., Knefel G., Krysta K., Kawecki M., Krupka-Matuszczyk I.

Polish Hyperbaric Research

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2016

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nr 1(54)

23--30

EN

The aim ot the study was to assess the level ot anxiety and depressiveness in patients who had qualified for hyperbaric oxygen therapy (H BOT) for the treatment of ulcerative lesions in the lower limbs, occurring as a result of diabetic foot syndrome (DFS),. Atotal of 50 patients with type 2 diabetes and diabetic toot syndrome were enrolled to the study. Ali patients have received 30 sessions of HBOT. During the therapy blood glucose was measured and photographic documentation was carried out. Ali patients underwent the following procedures: medical history and socioeconomic interview, psychiatrie examination, self-report and objective psychometrie tests to measure anxiety and depressiveness. Based on the obtained results, we reported that patients wit h a greater degree of tissue damage had higher levels ot depressive symptoms in the self-report tests as well as in the objective evaluation ot the investigator. In terms ot location ot ulcerative lesions - the level ot depressiveness was greater when the affected area included toes, and the level ot anxiety was increased when it concerned the heet. Regarding other parameters, statistically significant correlations were not observed.

PL

Celem badania była ocena poziomu objawów lękowych i depresyjnych, u chorych ze zmianami owrzodzeniowymi kończyn, w przebiegu zespołu stopy. cukrzycowej (ZSC), zakwalifikowanych do leczenia tlenem hiperbarycznym (HBOT, hyperbaric oxygen therapy). Do badania włączono 50 chorych na cukrzycę typ 2, w przebiegu zespołu stopy cukrzycowej. Wszyscy chorzy odbyli 30 sesji HBOT. W trakcie terapii wykonano pomiar glikemii, oraz dokumentacje zdjęciową. Przeprowadzono wywiad chorobowy, socjoekonomiczny oraz w zakresie diagnostyki psychiatrycznej. Przeprowadzono testy służące do subiektywnej i obiektywnej oceny badanych parametrów. W badaniu zaobserwowano, iż u pacjentów z większym stopniem uszkodzenia tkanek występował większy poziom objawów depresyjnych w teścia samooceny, oraz otrzymywali więcej punktów w obiektywnej ocenie badającego. W zakresie lokalizacji - poziom depresji był większy gdy zmiana obejmowała palce, poziom lęku, gdy problem dotyczył pięty. W pozostałych parametrach nie uzyskano wyników istotnych statystycznie.

12

The influence of cyanide salts and ferrous sulphate on pyrite flotation

Kostovic M., Vucinic D.

Physicochemical Problems of Mineral Processing

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2016

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Vol. 52, iss. 2

609--619

EN

The effect of cyanide salts as depressants, i.e. sodium cyanide (NaCN) and complex cyanide salts such as potassium ferricyanide (K3Fe(CN)6) and potassium ferrocyanide (K4Fe(CN)6), as well as combination of sodium cyanide with ferrous sulphate (FeSO4/NaCN) on pyrite flotation was investigated. Tests covered the frothless flotation of pyrite under different concentrations of depressants at various solution pH’s with potassium butyl xanthate (KBX) as collector. Flotation test results have shown that NaCN, and even more the combination of reagents FeSO4/NaCN are more successful in pyrite depression than complex cyanide salts, such as K3Fe(CN)6 and K4Fe(CN)6. Surface characteristics of pyrite were studied using rest potential (Eh) measurements and infrared attenuated total reflection spectroscopy (ATR-IR). In the presence of tested reagents in the flotation system, iron cyanide compounds and hydrated iron oxides were formed on pyrite surface. The composition of formed compounds depends not only on cyanide ions in the solution, but also on the pH of the system and solution species. These compounds, depending on the reagents used, are responsible for the resulting efficiency of the pyrite depression.

13

Self-reported depression and anxiety symptoms and usage of computers and mobile phones among working-age Finns

Korpinen L., Paakkonen R.

International Journal of Occupational Safety and Ergonomics

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2015

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Vol. 21, No. 2

221--228

EN

The aim of the work is to study self-reported depression and anxiety symptoms among working-age Finns using logistical regression models. The study was carried out as a cross-sectional study by posting a questionnaire to 15,000 working-age persons. The responses (6121) revealed that 101 (1.7%) Finnish working-age persons suffered depression very often and 77 (1.3%) suffered anxiety very often during the last 12 months. Symptoms uncovered in the comparative analysis of respondents who had quite often or more often depression to respondents who had less depression showed differentiation. The same result was obtained in the analysis of self-reported anxiety symptoms. With the logistical regression models (from depression and anxiety), we found associations between physical symptoms (in shoulder) and depression and between different mental symptoms and anxiety or depression. In the future, it is important to take into accout that persons with physical symptoms can also have mental symptoms (depression or anxiety).

14

Work Time Control and Mental Health of Workers Working Long Hours: The Role of Gender and Age

Żołnierczyk-Zreda D., Bedyńska S., Warszewska-Makuch M.

International Journal of Occupational Safety and Ergonomics

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2012

|

Vol. 18, No. 3

311--320

EN

The aim of this study was to examine the relationship between work time control and mental health in workers working long hours. The study also attempted to show how that relationship depended on age and gender. Three hundred and six white-collar workers doing clerical work for over 8 h daily were diagnosed on work time control and mental health with the 28-item General Health Questionnaire. The results of an analysis of variance (ANOVA) showed that participants working long hours but having high control over their work time had a significantly higher level of their mental health with regard to somatic complaints and anxiety and marginally higher with regard to social dysfunction than workers with low control over their work time. Male and female workers reported different problems with their mental health depending on what age (stage of life) they were at. It is hypothesized that the work–family conflict, inability to fulfil social commitments and poor working conditions can influence those effects.

15

Wpływ ciśnienia różnicowego na wydatek wody złożowej podczas badań rurowymi próbnikami złoża utworów miocenu autochtonicznego w zapadlisku przedkarpackim

Dubiel S., Uliasz-Misiak B.

Gospodarka Surowcami Mineralnymi

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2012

|

T. 28, z. 1

157-171

PL

Przeprowadzono analizę wyników opróbowań utworów miocenu autochtonicznego wieku baden górny - sarmat dolny w zapadlisku przedkarpackim rurowymi próbnikami złoża. Testy złożowe były wykonywane w nieorurowanych oraz w orurowanych odcinkach odwiertów, z których otrzymano przypływy wody złożowej o różnym stopniu nagazowania, a niekiedy też zanieczyszczonej filtratem płuczki wiertniczej. Łącznie przeanalizowano 57 interwałów wytypowanych metodami geofizyki wiertniczej. Metodami analizy statystycznej wyznaczono zależność ciśnienia złożowego od głębokości zalegania utworów miocenu, a także zależność początkowego przeciwciśnienia wytwarzanego na te utwory podczas testu RPZ, od głębokości zalegania tych utworów. Natomiast nie stwierdzono korelacji między wydatkiem wody a początkowym ciśnieniem różnicowym. Dla wybranych 22 interwałów miocenu z rejonu Dębicy uzyskano zadowalającą korelację pomiędzy: wydatkiem wody złożowej a logarytmem naturalnym ilorazu: ciśnienia hydrostatycznego słupa wody przybitkowej w kolumnie próbnikowej i ciśnienia złożowego (w rejonie tym wartość ilorazu ciśnień: php/pz wahała się w bardzo szerokich granicach, tj od 0,05 do 0,57). Stwierdzono również korelację między początkowym przeciwciśnieniem a głębokością pomiaru ciśnienia oraz początkowym przeciwciśnieniem a wydatkiem wody złożowej. Wyznaczone metodami statystycznymi równania regresji umożliwiają prognozowanie wartości ciśnienia złożowego, początkowej wartości przeciwciśnienia, podczas testów RPZ, wydatku wody złożowej oraz początkowego ciśnienia różnicowego i mogą być wykorzystane przy projektowaniu parametrów technologicznych kolejnych testów złożowych, w analizowanym obszarze zapadliska przedkarpackiego, a w szczególności w rejonie Dębicy.

EN

The results of drill stem tests made on the autochthonous Miocene deposits of the Upper Badenian - Lower Sarmatian age in the Carpathian Foredeep were analyzed. Reservoir tests were performed in open and cased holes, where inflows of formation water of varying saturation degree and sometimes contaminated with drilling mud filtrate, were observed. A total of 58 intervals, geophysically qualified as gas-bearing, were analyzed. Statistical analysis methods were used for determining the influence of the formation depth on the depth of deposition of the Miocene, and also dependence of initial back-pressure exerted on the reservoir during DST, on the depth of deposition of the reservoir. No correlation was found between water flow rate and initial differential pressure. A satisfactory correlation was obtained between hydrostatic pressure of water cushion in the tubing string and reservoir pressure for selected 22 the Miocene intervals in the Dębica region. In this region the pressure quotient php/pz broadly ranged between 0.05 and 0.57. Another correlation was noted between initial back-pressure and a depth at which pressure was measured and initial back-pressure, and formation water flow rate. The regression equations determined with statistical methods can be used for predicting values of formation pressure, initial value of back-pressure, formation water flow rate and initial differential pressure during DST. On this basis technological parameters of successive reservoir tests can be determined for in the analyzed area of the Carpathian Foredeep, particularly in the Dębica region.

16

Badania drugiej fazy nad skutecznością i bezpieczeństwem długotrwałej powtarzalnej szybkoczęstotliwościowej przezczaszkowej stymulacji magnetycznej w terapii depresji

Zyss T., Zięba A., Dudek D., Datka W., Siwek M., Wróbel A., Grabski B., Mączka G., Brudkiewicz P., Wojnar N., Łączyńska M.

Acta Bio-Optica et Informatica Medica. Inżynieria Biomedyczna

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2011

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Vol. 17, nr 4

301-307

PL

W artykule zaprezentowano wyniki badań klinicznych drugiej fazy nad bezpieczeństwem i efektywnością przezczaszkowej stymulacji magnetycznej (TMS – Transcranial Magnetic Stimulation) w porównaniu z terapią elektrowstrząsową oraz samodzielną farmakoterapią. Do badań zakwalifikowano 75 pacjentów, których przydzielono losowo do trzech grup. We wszystkich grupach po zastosowaniu terapii stan kliniczny pacjentów wyraźnie się poprawił (objawy depresji ustąpiły). Najlepszy efekt zaobserwowano w grupie poddanej zabiegom elektrowstrząsowym oraz zażywającej leki przeciwdepresyjne. Nie udało się wykazać, że terapia łącząca stymulację magnetyczną z farmakoterapią była bardziej skuteczna od samodzielnego leczenia farmakologicznego. Podjęto próbę wyjaśnienia nieskuteczności przezczaszkowej stymulacji magnetycznej.

EN

The paper presents the results of the 2nd phase clinical examination of the safety and efficiency of the transcranial magnetic stimulation TMS, compared to the electroconvulsive therapy and standalone pharmacotherapy. 75 patients were enrolled into the study. They were divided randomly into three groups. The significant improvement of clinical state (diminishment of depressive symptoms) was achieved in all groups. The best effect was observed in the group of patients treated with the electroconvulsive therapy, combined with the drugs. However, transcranial magnetic stimulation, along with pharmacotherapy did not prove to be more effective than standalone pharmacological treatment. Possible explanations of ineffectiveness of the transcranial magnetic stimulation therapy is given.

17

Porównanie technik stymulacji elektrycznej i magnetycznej stosowanych w terapii depresji

Zyss T., Krawczyk A.

Przegląd Elektrotechniczny

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2010

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R. 86, nr 9

309-314

PL

Zaburzenia depresyjne mogą być leczone nie tylko przy pomocy odpowiednich leków (farmakoterapia) oraz psychoterapii, lecz skuteczne są tu także różne postacie stymulacji elektrycznej i magnetycznej głowy. Praca prezentuje te techniki i przeprowadza porównanie w zakresie skuteczności, bezpieczeństwa, i innych czynników.

EN

Depressive disorders can be treated not only by the means of adequate drugs (pharmacotherapy) and psychotherapy, but here also are effective various forms of the electric and magnetic head stimulation. The paper presents these techniques and carries out the comparison in relation to theirs effectiveness, safety, and different other factors.

18

Transcranial magnetic stimulation TMS verus electroconvulsive therapy ECT in therapy of depressions - advantages and disadvantages of computer modeling

Zyss T., Krawczyk A., Drzymała P., Sawicki B., Starzyński J.

Bio-Algorithms and Med-Systems

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2010

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Vol. 6, no. 12

67--73

EN

The work describes the results of our own investigations on computer modeling of two physical methods of depressions treatment: electroconvulsive therapy ECT and transcranial magnetic stimulation TMS. The model studies allowed us to explain why the effectiveness of magnetic stimulation is lesser than that of electric stimulation. There are, however, several aspects that could not be analyzed or explained with the help of modeling techniques.

PL

Praca opisuje wyniki badań własnych nad komputerowym modelowaniem dwóch metod fizykalnego leczenia depresji: zabiegów elektrowstrząsowych EW oraz przezczaszkowej stymulacji magnetycznej TMS. Badania modelowe pozwoliły wyjaśnić, dlaczego skuteczność stymulacji magnetycznej jest mniejsza niż elektrycznej. Istnieje jednak kilka aspektów, które nie mogły być wyjaśnione czy też przeanalizowane za pomocą technik modelowania.

19

System Q.Light PRO UNIT w fototerapii

Pitsch T., Koczy-Baron E., Liszka G., Drzazga Z., Sieroń A.

Acta Bio-Optica et Informatica Medica. Inżynieria Biomedyczna

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2006

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Vol. 12, nr 1

19-22

PL

System Q.Light PRO UNIT jest jednym z tych systemów, których celem jest profesjonalna fototerapia, znajdująca zastosowanie w medycynie oraz w kosmetologii. W jego skład wchodzą następujące moduły: Q.Light PAIN CARE – moduł do leczenia bólu, Q.Light SAD CARE – przeznaczony do leczenia schorzeń neurologicznych, neuroimmunologicznych oraz endokrynologicznych, Q.Light ACNE CARE – terapia trądziku, Q.Light WOUND CARE – leczenie ran, Q.Light PSORIASIS CARE przeznaczony do stosowania w łuszczycy i neurodermatozach oraz Q.Light PRO UNIT Colour Filter Set – zestaw filtrów stosowanych w koloroterapii. W artykule omówiono poszczególne moduły systemu, wskazania do ich stosowania oraz przedstawiono wyniki badań, mających na celu określenie charakterystyki światła emitowanego przez system, a także wstępne wyniki badań klinicznych leczenia łuszczycy oraz trądziku z użyciem systemu Q.Light.

EN

System Q.Light PRO UNIT is one of the professional phototherapy systems which are used in medicine and cosmetolody. The parts of the Q.Light system are: Q.Light PAIN CARE – used in the pain therapy, Q.Light SAD CARE – used in neurological, neuroimmunological and endocrine diseases, Q.Light ACNE CARE – the therapy of acne, Q.Light WOUND CARE – wounds therapy, Q.Light PSORIASIS CARE – used in psoriasis and other neurodermatological diseases and Q.Light PRO UNIT Colour Filter Set which is used in color therapy. In this paper parts of the system and the indications are discussed. The3 results of the asseys of the characteristic of the light emitted by the system and the preliminary results of its clinical usage in psoriasis and acne therapy are also displayed.

20

Stymulacja magnetyczna w leczeniu depresji - badania kliniczne

Zyss T., Zięba A., Dudek D., Datka W., Grabski B., Siwek M., Wróbel A., Mączka G.

Przegląd Elektrotechniczny

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2005

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R. 81, nr 12

75-78

PL

W poszukiwaniu aktywności przeciwdepresyjnej techniki medycznej przezczaszkowej stymulacji magnetycznej przeprowadzono badania kliniczne u pacjentów z rozpoznaniem depresji. Badania nie potwierdziły, aby stymulacja magnetyczna wywierała istotny wpływ na przebieg terapii.

EN

In search for antidepressive activity of medical technique od transcranial magnetic stimulation - clinical investigations were conducted in patients with diagnosis of depression. lnvestigations did not confirm, that the magnetic stimulation exerted on course of therapy essential influence.